Companion Planting: Collard Greens

Brassica oleracea (Acephala group)

Spacing: 1 per square foot. Mature height: 2-3 ft.

Plant these nearby

• Onion: Onion scent may help deter common collard pests.
• Dill: Attracts beneficial predatory wasps that help protect brassicas.

Keep these apart

• Tomato: Commonly reported as a poor neighbor for collards.
• Pepper: Commonly reported as a poor neighbor for collards.

Common pairings, answered directly

Can I plant collard greens next to onion?

Yes. Onion scent may help deter common collard pests.

Can I plant collard greens next to dill?

Yes. Attracts beneficial predatory wasps that help protect brassicas.

Can I plant collard greens next to tomato?

Better not to. Commonly reported as a poor neighbor for collards.

Can I plant collard greens next to pepper?

Better not to. Commonly reported as a poor neighbor for collards.

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Companion planting for Collard Greens: which plants to grow next to it, which to keep apart, and the reason behind each pairing.

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